oracle For循环和触发器Tigger

--循环

begin
  for cycle in (select id, testcycle from specialpapers) loop
    if (cycle.testcycle is null) then
      update specialpapers set testcycle = 48 where id = cycle.id;
    end if;
  end loop;

end;

for循环，是一种隐式游标，效率比较高，编写使用方便。

--触发器
create or replace trigger test
  before insert or update on specialpapers
  for each row
declare
  -- local variables here
begin
  if :NEW.Testcycle is null then
    :NEW.Testcycle := 48;
  end if;

end test;

--删除触发器

DROP TRIGGER test;

--授权用户 调试权限
GRANT debug any procedure, debug connect session TO username

来源：CSDN

作者：sensenlin91

链接：https://blog.csdn.net/sensenlin91/article/details/51066151